38206652409409 has 9 divisors (see below), whose sum is σ = 41995816640449. Its totient is φ = 34733258560660.

The previous prime is 38206652409389. The next prime is 38206652409469. The reversal of 38206652409409 is 90490425660283.

The square root of 38206652409409 is 6181153.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 38206652409409 - 2⁷ = 38206652409281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38206652409469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67711722 + ... + 68273644.

Almost surely, 2^{38206652409409} is an apocalyptic number.

38206652409409 is the 6181153-rd square number.

38206652409409 is the 3090577-th centered octagonal number.

It is an amenable number.

38206652409409 is a deficient number, since it is larger than the sum of its proper divisors (3789164231040).

38206652409409 is an frugal number, since it uses more digits than its factorization.

38206652409409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123868 (or 561934 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 38206652409409 in words is "thirty-eight trillion, two hundred six billion, six hundred fifty-two million, four hundred nine thousand, four hundred nine".